com.liusoft.dlog4j.velocity.DLOG_Music_VelocityTool.java Source code

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Here is the source code for com.liusoft.dlog4j.velocity.DLOG_Music_VelocityTool.java

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/*
 *  DLOG_Music_VelocityTool.java
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 *  Author: Winter Lau (javayou@gmail.com)
 *  http://dlog4j.sourceforge.net
 */
package com.liusoft.dlog4j.velocity;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.liusoft.dlog4j.base._BeanBase;
import com.liusoft.dlog4j.beans.MusicBean;
import com.liusoft.dlog4j.beans.MusicBoxBean;
import com.liusoft.dlog4j.beans.SiteBean;
import com.liusoft.dlog4j.dao.MusicDAO;

/**
 * ??Velocity toolbox
 * @author Winter Lau
 */
public class DLOG_Music_VelocityTool {

    private final static Log log = LogFactory.getLog(DLOG_Music_VelocityTool.class);

    /**
     * ??
     * @param songs
     */
    public void visit_music(List songs) {
        if (songs != null && songs.size() > 0) {
            int[] ids = new int[songs.size()];
            for (int i = 0; i < songs.size(); i++) {
                _BeanBase bean = (_BeanBase) songs.get(i);
                ids[i] = bean.getId();
            }
            try {
                MusicDAO.incViewCount(1, ids);
            } catch (Exception e) {
                log.error("increment music's listen count failed.", e);
            }
        }
    }

    /**
     * ???
     * @param mboxid
     * @return
     */
    public MusicBoxBean box(int mboxid) {
        if (mboxid < 1)
            return null;
        return MusicDAO.getMusicBoxByID(mboxid);
    }

    /**
     * ???
     * @param site_id
     * @return
     */
    public List songs_without_box(SiteBean site) {
        if (site == null)
            return null;
        return MusicDAO.listSongsWithoutBox(site.getId());
    }

    /**
     * ???
     * @param music_id
     * @return
     */
    public MusicBean music(int music_id) {
        if (music_id < 1)
            return null;
        return MusicDAO.getMusicByID(music_id);
    }

    /**
     * ?
     * @param site
     * @return
     */
    public int music_count(SiteBean site) {
        if (site == null)
            return -1;
        return MusicDAO.getMusicCount(site);
    }

    /**
     * ?
     * @param mids
     * @return
     */
    public List list_songs(String mids) {
        if (mids == null)
            return null;
        StringTokenizer st = new StringTokenizer(mids, ",");
        List ids = new ArrayList();
        while (st.hasMoreElements()) {
            String sid = st.nextToken();
            try {
                ids.add(new Integer(sid));
            } catch (Exception e) {
            }
        }
        return MusicDAO.listSongs(ids);
    }

    /**
     * ?
     * @param site
     * @return
     */
    public List list_new_songs(SiteBean site, int max_count) {
        if (site == null)
            return null;
        return MusicDAO.listNewSongs(site.getId(), max_count);
    }

}